20452875 has 16 divisors (see below), whose sum is σ = 34034208. Its totient is φ = 10908000.

The previous prime is 20452871. The next prime is 20452879. The reversal of 20452875 is 57825402.

It is an interprime number because it is at equal distance from previous prime (20452871) and next prime (20452879).

It is not a de Polignac number, because 20452875 - 2² = 20452871 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20452871) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26896 + ... + 27645.

It is an arithmetic number, because the mean of its divisors is an integer number (2127138).

Almost surely, 2^20452875 is an apocalyptic number.

20452875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20452875 is a deficient number, since it is larger than the sum of its proper divisors (13581333).

20452875 is an equidigital number, since it uses as much as digits as its factorization.

20452875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54559 (or 54549 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 33.

The square root of 20452875 is about 4522.4854891973. The cubic root of 20452875 is about 273.4753087855.

The spelling of 20452875 in words is "twenty million, four hundred fifty-two thousand, eight hundred seventy-five".